package com.example.jinyongjie.test_opengles;

import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.ConfigurationInfo;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.FrameLayout;

public class MainActivity extends AppCompatActivity {
    private GLSurfaceView mGLView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        mGLView = new GLSurfaceView(this);

        ActivityManager activityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
        ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
        boolean supportEs2 = configurationInfo.reqGlEsVersion >= 0x20000;
        if(supportEs2)
        {
            mGLView.setEGLContextClientVersion(2);
            mGLView.setRenderer(new MyRenderer(this));
        }

        FrameLayout container = (FrameLayout) findViewById(R.id.container);
        container.addView(mGLView);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    protected void onPause() {
        super.onPause();
        if(mGLView != null)
            mGLView.onPause();
    }

    @Override
    protected void onResume() {
        super.onResume();
        if(mGLView != null)
            mGLView.onResume();
    }
}
